Family and friends are mourning a Waldorf teen who died unexpectedly over the weekend.

At about 11:45 a.m. Sunday, police were called to the 2700 block of Red Lion Place in Waldorf for a report of an unconscious person.

LaQuasia Watson, 15, a junior at Thomas Stone High School, had collapsed in front of her house, according to information from the Charles County Sheriff’s Office.

A neighbor conducted CPR, and Watson was taken by ambulance to Southern Maryland Hospital Center in Clinton, where she was pronounced dead.

The girl’s body was sent to a state medical examiner’s office in Baltimore for an autopsy.

Diane Richardson, sheriff’s office spokeswoman, said there were no signs of foul play.

Monday morning, crisis professionals, pupil personnel workers and school guidance counselors for the Charles County school system were on hand at Stone to talk with students and staff.

Staff announced to their homeroom classes that Watson had died over the weekend.

In a letter sent to parents, Principal Michael Meiser wrote, “This is a heartbreaking time for LaQuasia’s family and our school community. We all feel the loss, and LaQuasia’s contributions to Thomas Stone will long be remembered.”

Pitts said it was a very emotional day at the high school on Monday. She said she gave students in her classes an opportunity to reflect and talk about their feelings if they wanted to. She also allowed for a moment of silence during her classes Monday and asked students to think about Watson’s family and their own families. Pitts said it was very difficult to look up during eighth period and see an empty seat where Watson sat each day.

A candlelight vigil is scheduled at the school for 7:30 tonight in front of the school’s memorial garden.